are mission statements related to taglines?

i think yes they are related, taking the example of Cadbury its quiet apparent and that is what makes the product successful!
Mission
Cadbury’s mission statement says simply: ‘Cadbury means quality’; this is our promise. Our reputation is built upon quality; our commitment to continuous improvement will ensure that our promise is delivered’ .
Vision
The Vision into action (VIA) plan embodies all aspects of our strategy. Our governing objective is to deliver superior shareowner returns by realizing our vision to be the world’s biggest and best confectionery company. At the heart of our plan is our financial scorecard, judiciously reinforced by our priorities, commitments and culture .
Implementation
Cadbury believes that the business still has significant untapped potential – both in terms of top line growth and returns. By exploiting the strength of leadership positions to continue to grow the market share and significantly increase our mar and returns, Cadbury aims to achieve the vision of becoming the biggest and best confectionery company in the world. Cadbury Celebrations has become a popular brand on occasions such as Diwali, Rakhi, Dussera puja. It is also a major success as a corporate gifting brand. The communication is based on the emotional route and the tag line says "rishte pakne do" which fits with the brand purpose of strengthening your relationships with something sweet.
what are ur views??